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French Onion Soup

Perfectly caramelized onions are the heart of this dish, bringing a sweetness that balances the savory broth and a touch of sherry. Topped with golden, melted cheese over crisp French bread, each bite is irresistibly satisfying.
5 from 2 votes
Prep Time 15 minutes
Cook Time 39 minutes
Total Time 55 minutes
Course Soup
Cuisine American, French
Servings 6

Ingredients
  

  • 4 cups sliced onions
  • 5 cups beef broth
  • ½ cup unsalted butter
  • 2 tablespoons olive oil
  • 2 tablespoons dry sherry
  • 1 teaspoon dried thyme
  • Salt and pepper to taste
  • 4 slices French bread
  • 4 slices provolone cheese
  • 2 slices Swiss cheese diced
  • ¼ cup grated Parmesan cheese

Instructions
 

  • Assemble all ingredients for the recipe.
  • In a large stockpot (approximately 8 quarts), melt the butter with olive oil over medium heat. Add the sliced onions to the pot and stir continuously until the onions become soft and translucent. Avoid browning the onions during this step to maintain their sweetness.
  • Pour in the beef broth, add the dry sherry and thyme, and season the mixture with salt and pepper. Allow the soup to simmer for 30 minutes, enabling the flavors to meld.
  • Preheat the broiler of your oven.
  • Once the soup has simmered, ladle it into oven-safe serving bowls. Place a slice of French bread on top of each bowl of soup; if desired, break the bread into pieces. On each bread slice, layer one slice of provolone cheese, half of a diced Swiss cheese slice, and sprinkle with a tablespoon of grated Parmesan.
  • Arrange the bowls on a baking sheet and place them under the preheated broiler. Broil until the cheese is melted, bubbly, and slightly browned, about 2-3 minutes.
  • Serve the soup hot and savor its rich flavors.
Keyword French Onion Soup